Smith n



Patented Apr. l8, I899.

S. N. MOCLDUD.

ADJUSTABLE HEAD BEST FOR CHAIRS.

(Application filed Aug 25, 1898.)

(No Modei.)

Qvilinmoe/a UNiTED STATES PATENT OF ICE.

SMITH N. MOCLOUD, OF MARYSVILLE, OHIO, ASSIGNOR TO THE DAVIS OI-IAIR COMPANY, OF SAME PLACE.

ADJUSTABLE HEAD-REST FOR CHAIRS.

SPECIFICATION formingpart of Letters Patent NO. 623,414, dated April 18, 1899.

Application filed August 25, 1898. Serial No. 689,490. (No model.)

To all whom it may concern: alter this adjustment, the pintle may be oppo- Be it known that I, SMITH N. MCCLOUD, a sitely turned and the collar retracted, whereresident of Marysville, in the county of Union upon the pintle can be pushed endwise with and State of Ohio, have invented certain new the effect to disengage the teeth and permit 5 and useful Improvementsin Adjustable I*Iead the head-rest to be turned to the desired situ- Rests for Chairs and the Like; and I do hereby ation, when by turning the pintle back again declare the following to be a full, clear, and the locking can be renewed. exact description of the invention, such as To limit the withdrawal of the pintle and will enable others skilled in the art to which its collar to or near to the exact distance reqto it pertains to make and use the same. uisite for the operation described, it may be The invention relates to head rests for provided with a stop 13, as shown in Fig. at. chairs and the like, and has for its object to The friction of the pintle in the screwprovide simple and eflicient means for ad justthreaded knuckle member is sufficient to per- 6 5 ing and locking the same. unit turning the head-rest by means of the 15 The invention consists in a hinge connechandle after the serrations are disengaged. tion between a head-rest and a back, said The disengaged knuckles can at any time be hinge having its pintle provided with a hanmade to engage byastraight pull onthepintle. dle whereby the rest can be adjusted and Tolock the serrated knuckles, the pintle is locked. suitably screwed through the middle one,

20 In the accompanying drawings, Figure l is while collar 12 engages the hinge to prevent asideelevation ot'achair-back and head-rest. endwise movement of the knuckle. A re- Fig. 2 is a rear elevation of an improved hinge versed screwing of the pintle will disengage connection. Fig. 3 isasimilar view, the sevthe knuckles. The knuckles having been eral parts being detached. Fig. 4 is an elemade to engage by a pull on the pintle, as

2 vation of a modified detail. stated, the latter can be manipulated to hold Numeral 1 denotes a chair-back standard them engaged until the lock is effected or the pivoted to a seat 2. A back is denoted by head-rest can be directly held.

3, and 4. indicates a set-screw which passes Having thus described my invention, what through a slot in the standard and engages I claim as new, and desire to secure by Letters the back. lVhen the screw is loosened, the Patent, is

back can be raised or lowered and then fixed In a chair or the like, a back, a head-rest,

in position by tightening the screw. and a hinge adjustably connecting the same,

5 indicates a head-rest connected to the said hinge having a screw-threaded pintle, a

back by a hinge. The part 7 of the hingescrew-threaded knuckle fixed to the rest, a

35 knuckle is interiorly screw-threaded to reknuckle fixed to the back and loosely emceive a similarly-threaded pintle 9. The bracing the pintle, said knuckles provided knuckle members 6 and 8 are without threads, on their adjacent ends withjteeth adapted for as also is the part of the pintle which is situengagement, and a stop, all substantially as ated in the knuckle member 8. The proxiset forth,wherebythe head-rest may be moved 4o mate knuckle members 7 and 8 are toothed or lengthwise the pintle by its screw to disenserrated substantially asindicated at 10. The gage the knuckles and the pintle then used member 7 is carried by one hinge-leaf and 6 to adjust the head-rest in a transverse plane and 8 by the other. The pintle has a handle and to cause a reengagement of the knuckles 5 11 and is provided with a collar 12, which and a subsequent locking thereof.

5 limits its endwise movement in one direction. In testimony whereof I have signed this The handled pintle being held by this means specification in the presence of two subscribcan be turned with the effect to screw the ing witnesses.

middle knuckle member and the head-rest toward the collarthat is, toward the right- SMITH MCOLOUD' 50 thereby causing the engagement of the ser- Witnesses:

rated knuckle members 7 and 8 and locking L. PIPER,

the head-rest with respect to the back. To NELLE G. MCOLOUD. 

